Current SightingsDid an Alien Life-Form Do a Drive-By of Our Solar System in 2017? Posted on January 26, 2021 by Administrator On Nov. 12, 2018, Avi Loeb, then the chairman of the astronomy department at Harvard, and a young research associate, Shmuel Bialy, published a paper in the highly prestigious Astrophysical Journal Letters arguing that humans may have discovered the first evidence of alien technology in the form of a mysterious object called Oumuamua that had streaked through the solar system the previous fall.